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Finding the Third Proportional to 541 and 693.50

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Solution

The third proportional to 541 and 693.50 is: 888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    541 : 693.50 = 693.50 : x
  2. Step 2: Convert to fraction form
    541/693.50 = 693.50/x
  3. Step 3: Cross multiply
    541x = 693.50 × 693.50
  4. Step 4: Simplify right side
    541x = 480,942.25
  5. Step 5: Solve for x
    x = 480,942.25/541
  6. Step 6: Final answer
    x = 888.99

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These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.